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High-water Level River Discharge Measurement Method in Japan

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Hypothesis on Disturbed flow <strong>in</strong> the downstream of<br />

bridge pies<br />

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vertically averaged current velocity [m/s]<br />

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It is shown that current velocity become low around the<br />

bridge piers.<br />

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transverse direction distance [m]<br />

Vertically averaged current velocity observation data by<br />

ADCP (10/3/2003 at Isikariohasi observatory)

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